CVE-2020-27795

Published Aug 19, 2022

Last updated 2 years ago

Overview

Description: A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-908
secalert@redhat.com: CWE-908

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "EEE8DA49-FB7A-4416-8942-56DD67E62CD9",
            "versionEndExcluding": "4.4.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References